Mayo Medical Laboratories Rochester

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Test ID C9FX
C9 Complement, Functional, Serum

Useful For

Investigation of a patient with a low total (hemolytic)
complement (CH50) level

Method Name

Automated Liposome Lysis Assay

Reporting Name

C9 Complement, Functional, S

Specimen Type

Serum Red

Specimen Required

Collection
Container/Tube: Red top

Submission
Container/Tube: Plastic vial

Specimen Volume: 1
mL

Collection
Instructions:

1. Immediately after drawing the specimen, place the tube on wet
ice.

2. Spin down and separate serum from clot.

3. Immediately freeze specimen.

Additional
Information: Fasting preferred.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type

Temperature

Time

Serum Red

Frozen

14 days

Reference Values

37-61 U/mL

Day(s) and Time(s) Performed

Monday through Saturday; Continuous with a 3 p.m. cutoff

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

86161

LOINC Code Information

Result ID

Test Result Name

Result LOINC Value

C9FX

C9 Complement, Functional, S

87727-4

Test Classification

This test was developed and its performance characteristics
determined by Mayo Clinic in a manner consistent with CLIA
requirements. This test has not been cleared or approved by the
U.S. Food and Drug Administration.